Singer Lexy returns to the music scene after a 4 year and 5 month hiatus.

Lexy was seen at a studio filming her music video for her new song, "NOLZA."

In the revealed pictures, Lexy shows off her chic and charismatic style.

Her new song, "NOLZA" features a trendy electronic dance style with a strong base rhythm. 

Her title song was written by Kim Do Hyun, who also wrote Hyori's "10 Minutes."

Lexy will make her comeback at the end of this month.